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Menglong Dong says: ==================== net: ip: add drop reasons to input route In this series, we mainly add some skb drop reasons to the input path of ip routing, and we make the following functions return drop reasons: fib_validate_source() ip_route_input_mc() ip_mc_validate_source() ip_route_input_slow() ip_route_input_rcu() ip_route_input_noref() ip_route_input() ip_mkroute_input() __mkroute_input() ip_route_use_hint() And following new skb drop reasons are added: SKB_DROP_REASON_IP_LOCAL_SOURCE SKB_DROP_REASON_IP_INVALID_SOURCE SKB_DROP_REASON_IP_LOCALNET SKB_DROP_REASON_IP_INVALID_DEST Changes since v4: - in the 6th patch: remove the unneeded "else" in ip_expire() - in the 8th patch: delete the unneeded comment in __mkroute_input() - in the 9th patch: replace "return 0" with "return SKB_NOT_DROPPED_YET" in ip_route_use_hint() Changes since v3: - don't refactor fib_validate_source/__fib_validate_source, and introduce a wrapper for fib_validate_source() instead in the 1st patch. - some small adjustment in the 4-7 patches Changes since v2: - refactor fib_validate_source and __fib_validate_source to make fib_validate_source return drop reasons - add the 9th and 10th patches to make this series cover the input route code path Changes since v1: - make ip_route_input_noref/ip_route_input_rcu/ip_route_input_slow return drop reasons, instead of passing a local variable to their function arguments. ==================== Link: https://patch.msgid.link/20241107125601.1076814-1-dongml2@chinatelecom.cn Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.